Listview mit Indexanzeige

import java.util.ArrayList;


import android.content.Context;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.ArrayAdapter;
import android.widget.TextView;


public class ItemAdapteradresse extends ArrayAdapter<adresse> {


	// declaring our ArrayList of items
	private ArrayList<adresse> objects;


	/* here we must override the constructor for ArrayAdapter
	* the only variable we care about now is ArrayList<Item> objects,
	* because it is the list of objects we want to display.
	*/
	public ItemAdapteradresse(Context context, int textViewResourceId, ArrayList<adresse> objects) {
		super(context, textViewResourceId, objects);
		this.objects = objects;
	}


	/*
	 * we are overriding the getView method here - this is what defines how each
	 * list item will look.
	 */
	public View getView(int position, View convertView, ViewGroup parent){


		// assign the view we are converting to a local variable
		View v = convertView;
	


		// first check to see if the view is null. if so, we have to inflate it.
		// to inflate it basically means to render, or show, the view.
		if (v == null) {
			LayoutInflater inflater = (LayoutInflater) getContext().getSystemService(Context.LAYOUT_INFLATER_SERVICE);
			v = inflater.inflate(R.layout.adresselist_item2, null);
		}


		/*
		 * Recall that the variable position is sent in as an argument to this method.
		 * The variable simply refers to the position of the current object in the list. (The ArrayAdapter
		 * iterates through the list we sent it)
		 * 
		 * Therefore, i refers to the current Item object.
		 */
		Adresse adresse = objects.get(position);


		if (adresse != null) {


			// This is how you obtain a reference to the TextViews.
			// These TextViews are created in the XML files we defined.


		//	TextView tt = (TextView) v.findViewById(R.id.text123);
			TextView tvadresseD = (TextView) v.findViewById(R.id.gaststaette);
			TextView tvplzOrtD = (TextView) v.findViewById(R.id.plzort);
			TextView tvstrasseNrD = (TextView) v.findViewById(R.id.strassenr);
		
			
			if (tvadresseD != null){
				tvadresseD.setText(adresse.getFirma());
			}
			if (tvplzOrtD != null){
				tvplzOrtD.setText(adresse.getPLZ() + " " + adresse.getOrt());
			}
			if (tvstrasseNrD != null){
				tvstrasseNrD.setText(adresse.getStrasse() + " " + adresse.getNr());
			}
			
		}


		// the view must be returned to our activity
		return v;


	}


}




 // in der Main.java (ListActivity)
    m_parts.addAll(dbhandler.getAllAdressen());
	m_adapter = new ItemAdapterAdresse(pMain.this, R.layout.adresslist_item1, m_parts);


				// display the list.
		        setListAdapter( m_adapter);